1
2#ifndef __NET_GEN_STATS_H
3#define __NET_GEN_STATS_H
4
5#include <linux/gen_stats.h>
6#include <linux/socket.h>
7#include <linux/rtnetlink.h>
8#include <linux/pkt_sched.h>
9
10
11struct gnet_stats_basic_packed {
12 __u64 bytes;
13 __u64 packets;
14};
15
16struct gnet_stats_basic_cpu {
17 struct gnet_stats_basic_packed bstats;
18 struct u64_stats_sync syncp;
19} __aligned(2 * sizeof(u64));
20
21struct net_rate_estimator;
22
23struct gnet_dump {
24 spinlock_t * lock;
25 struct sk_buff * skb;
26 struct nlattr * tail;
27
28
29 int compat_tc_stats;
30 int compat_xstats;
31 int padattr;
32 void * xstats;
33 int xstats_len;
34 struct tc_stats tc_stats;
35};
36
37int gnet_stats_start_copy(struct sk_buff *skb, int type, spinlock_t *lock,
38 struct gnet_dump *d, int padattr);
39
40int gnet_stats_start_copy_compat(struct sk_buff *skb, int type,
41 int tc_stats_type, int xstats_type,
42 spinlock_t *lock, struct gnet_dump *d,
43 int padattr);
44
45int gnet_stats_copy_basic(const seqcount_t *running,
46 struct gnet_dump *d,
47 struct gnet_stats_basic_cpu __percpu *cpu,
48 struct gnet_stats_basic_packed *b);
49void __gnet_stats_copy_basic(const seqcount_t *running,
50 struct gnet_stats_basic_packed *bstats,
51 struct gnet_stats_basic_cpu __percpu *cpu,
52 struct gnet_stats_basic_packed *b);
53int gnet_stats_copy_basic_hw(const seqcount_t *running,
54 struct gnet_dump *d,
55 struct gnet_stats_basic_cpu __percpu *cpu,
56 struct gnet_stats_basic_packed *b);
57int gnet_stats_copy_rate_est(struct gnet_dump *d,
58 struct net_rate_estimator __rcu **ptr);
59int gnet_stats_copy_queue(struct gnet_dump *d,
60 struct gnet_stats_queue __percpu *cpu_q,
61 struct gnet_stats_queue *q, __u32 qlen);
62void __gnet_stats_copy_queue(struct gnet_stats_queue *qstats,
63 const struct gnet_stats_queue __percpu *cpu_q,
64 const struct gnet_stats_queue *q, __u32 qlen);
65int gnet_stats_copy_app(struct gnet_dump *d, void *st, int len);
66
67int gnet_stats_finish_copy(struct gnet_dump *d);
68
69int gen_new_estimator(struct gnet_stats_basic_packed *bstats,
70 struct gnet_stats_basic_cpu __percpu *cpu_bstats,
71 struct net_rate_estimator __rcu **rate_est,
72 spinlock_t *lock,
73 seqcount_t *running, struct nlattr *opt);
74void gen_kill_estimator(struct net_rate_estimator __rcu **ptr);
75int gen_replace_estimator(struct gnet_stats_basic_packed *bstats,
76 struct gnet_stats_basic_cpu __percpu *cpu_bstats,
77 struct net_rate_estimator __rcu **ptr,
78 spinlock_t *lock,
79 seqcount_t *running, struct nlattr *opt);
80bool gen_estimator_active(struct net_rate_estimator __rcu **ptr);
81bool gen_estimator_read(struct net_rate_estimator __rcu **ptr,
82 struct gnet_stats_rate_est64 *sample);
83#endif
84
